| 牌號(hào) | 56SiCr7 | 
|---|---|
| 舊牌號(hào) | |
| 對(duì)應(yīng)標(biāo)準(zhǔn) | NF A 35-571-1996 調(diào)質(zhì)彈簧用熱軋鋼 交貨技術(shù)條件 Hot-Rolled Steels for Quenched and Tempered Springs — Technical Delivery Conditions | 
| 歸類 | 彈簧鋼 | 
| 性能 | 強(qiáng)度 彈性 耐疲勞性 | 
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